Electromagnetic waves can travel in
A. water.
B. a vacuum.
C. both of these
D. none of the above
Answer: C
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True or False: Scientific research always leads immediately to correct explanations of natural phenomena
Indicate whether this statement is true or false.
Undersea earthquakes and volcanic eruptions may produce ________
A) pyroclastic flow B) mudslides C) hurricanes D) lahars E) tsunamis
The world's remittance economy is
A) insignificant in total dollar amounts transferred. B) restricted only to U.S. remittances. C) is reduced by heavy taxation of immigrants. D) often impossible because banks are expressly prohibited from transferring these electronic funds. E) a half-trillion dollar industry.
Why are Maori land claims more contentious in New Zealand than are Aboriginal claims in Australia?
A) New Zealand has a long history of ignoring all Maori land claims B) Maori have threatened violence and have long been unwilling to compromise C) Maori constitute a larger proportion of the population and their land claims are more valuable than Aboriginal claims in Australia D) Maori intend to build heavy industrial plants on land they claim as their own E) Aboriginal claims in Australia are strictly for ceremonial places, such as cemeteries and sacred sites